Heads of Agreement and Letters of Offer: What Australian Businesses Should Check

A heads of agreement or letter of offer can feel like a shortcut to getting the deal done. It sets out the commercial basics, creates momentum and often lands on your desk before the long-form contract is ready. The problem is that many Australian businesses sign these documents too quickly, assume they are fully non-binding, or rely on verbal promises that never make it into the written terms.

That is where founders and business owners often get caught. A short document can still create legal obligations, lock in exclusivity, expose you to break fees, or leave key points vague enough to spark a dispute later. If you are about to sign a proposal for a lease, investment, asset purchase, business sale, supply arrangement or other commercial deal, a careful heads of agreement letter of offer review can save time, money and leverage.

This guide explains what these documents usually do, what Australian businesses should check before signing, and the common mistakes that turn a preliminary deal into an expensive problem.

Overview

A heads of agreement or letter of offer is usually an early-stage commercial document that records the main deal terms before the full contract is negotiated. In Australia, the legal effect depends on the wording, the conduct of the parties and the commercial context, not just the title at the top of the page.

Some clauses may be intended to bind immediately, even where the broader deal is described as subject to contract. That is why a proper review matters before you sign, before you spend money on setup and before you rely on the other side's promises.

• Whether the document is intended to be binding, non-binding or partly binding
• Which clauses take effect straight away, such as confidentiality, exclusivity, costs and dispute processes
• Whether key commercial terms are clear enough to avoid later argument
• Conditions that must be met before the deal proceeds, such as finance, due diligence, board approval or landlord consent
• Timeframes, expiry dates and what happens if the long-form agreement is never signed
• Deposit, payment, incentive or break fee provisions
• Risk allocation on liability, warranties, indemnities and termination rights
• Any inconsistencies between the document and what was discussed verbally or by email

What Heads of Agreement Letter of Offer Review Means For Australian Businesses

A heads of agreement letter of offer review means checking what legal and commercial commitments you are actually making before the final contract exists.

Businesses often treat these documents as informal summaries. Sometimes they are. But under Australian contract principles, a document can create enforceable obligations if the wording shows an intention to be bound and the essential terms are sufficiently certain.

The name of the document is not decisive. A page headed “Heads of Agreement”, “Letter of Offer”, “Term Sheet”, “Memorandum of Understanding” or “Offer to Lease” may still be binding in whole or in part.

Why these documents are used

In practice, businesses use preliminary agreements to move negotiations forward while the lawyers draft the detailed contract. They can help both sides confirm price, scope, timing and deal structure before spending more time and money.

That is useful in founder moments such as these:

• before you sign a lease incentive deal with a landlord
• before you agree to buy or sell a business
• before you accept an investor's key terms
• before you lock in an exclusive supplier arrangement
• before you rely on a verbal promise about payment, territory or deliverables

Binding, non-binding and partly binding terms

The first question is simple: what, exactly, are you agreeing to now?

Some documents say they are not intended to be legally binding except for certain clauses. That can work, but only if the wording is clear and the document is drafted consistently. If one clause says the parties are not bound until a formal agreement is signed, while another clause states that the offer is accepted and the parties must proceed, the mixed messaging can create real risk.

A partly binding document is common. For example, the commercial deal terms may be non-binding, but provisions dealing with confidentiality, exclusivity, governing law, access to information, costs and return of documents may bind immediately.

This matters because a business may think it can walk away freely, only to find it has already promised:

• not to negotiate with competitors for a set period
• to keep information confidential
• to pay certain due diligence or legal costs
• to negotiate in good faith
• to use a stated process to resolve disputes

Different contexts, different risks

The risk profile changes depending on the deal. A letter of offer for commercial premises may raise questions about fitout contributions, make good, rent commencement and landlord approvals under a commercial lease. A heads of agreement for a business purchase may focus on assets, employees, restraints, stock valuation and due diligence access. An investment term sheet may turn on valuation, control rights, milestones and exclusivity.

The legal review should match the transaction, but the core issue stays the same: do the words on the page accurately reflect what you are willing to commit to before the final contract is signed?

Legal Issues To Check Before You Sign

The main legal issues are whether the document binds you now, whether the commercial terms are clear, and whether the risk sits where you think it does.

Before you sign, look closely at the following areas.

1. Intention to create legal relations

You need the document to say clearly whether it is binding, non-binding or only binding in specific parts. Phrases such as “subject to contract” help, but they do not solve every problem if the rest of the wording points the other way.

Check for internal contradictions. If the document says a formal agreement will be prepared later, ask whether either side is already obliged to proceed, or whether either side can walk away if due diligence or negotiations do not stack up.

2. Essential commercial terms

If the parties want any part of the document to be enforceable, the important terms must be clear enough. Vague language often creates more problems than it solves.

For example, the document should deal properly with points such as:

• the parties involved, including the correct company or trading entity
• what is being bought, sold, leased, supplied or invested
• price, deposit, payment timing and any adjustment mechanisms
• key dates, milestones and long stop dates
• who is responsible for setup, transition or delivery costs
• what approvals or consents are still required

If a term is commercially significant but still open, say that clearly. Leaving a major issue half-expressed can lead one party to believe it is settled when it is not.

3. Conditions precedent

Conditions precedent are events that must happen before the deal becomes unconditional or moves to completion. They are one of the most important protections in a preliminary agreement.

Common examples include:

• satisfactory due diligence
• finance approval
• board or shareholder approval
• landlord or franchisor consent
• regulatory or third-party approvals
• execution of a formal long-form agreement

The wording should cover who benefits from the condition, when it must be satisfied or waived, and what happens if it is not met. If this is missing, you may find yourself committed further than intended.

4. Exclusivity and no-shop obligations

Exclusivity can be valuable, but it should never be agreed to casually.

A seller may want comfort that a buyer is serious. A buyer may want a period to complete due diligence without competition. The issue is duration and scope. If the exclusivity period is too long, or the conduct restrictions are too broad, you may lose bargaining power and miss other opportunities.

Check:

• how long the exclusivity period lasts
• whether it starts on signing or another date
• what discussions or negotiations are prohibited
• whether there are exceptions for existing conversations or unsolicited approaches
• what remedies apply if exclusivity is breached

5. Confidentiality and use of information

Most preliminary deals involve sharing sensitive information. Confidentiality clauses should define what information is protected, who may access it and what can be done with it.

This is especially relevant where one business is disclosing customer data, pricing, software details, forecasts or supplier information. If personal information is involved, a privacy notice and other privacy obligations may also arise under Australian privacy law, depending on the business and the data being shared.

6. Costs, deposits and break fees

One short clause can create a very real financial obligation. Some documents require each party to bear its own costs. Others say one side reimburses due diligence costs, pays a holding deposit or forfeits money if it withdraws.

Make sure the document is clear on:

• whether any deposit is refundable
• what triggers a break fee or retention of funds
• whether costs are payable even if the final agreement is never signed
• when invoices or reimbursements become due

These points are often overlooked because the dollar amount is not front and centre.

7. Good faith obligations and process commitments

Some heads of agreement say the parties must negotiate in good faith or use reasonable efforts to finalise the long-form agreement. These clauses can be sensible, but they should not be so open-ended that they create uncertainty about when a party can stop negotiating.

If a process clause is included, it helps to state:

• what steps the parties must take
• the period for negotiations
• whether there is any right to terminate the process
• what happens if key issues remain unresolved

8. Liability, warranties and risk allocation

Preliminary documents sometimes contain early statements about the condition of assets, expected revenues, stock levels, lease terms or other assumptions. If you are relying on those statements, they should not sit only in informal emails or conversations.

Think carefully about whether the document includes or excludes:

• warranties about accuracy of information
• indemnities for particular risks
• limitations of liability and other liability clauses
• rights to terminate if assumptions prove wrong

This is where founders often get caught when they spend money on setup, due diligence or advisers based on optimistic statements that were never documented properly.

9. Termination and what happens if the deal falls over

You should know how the arrangement ends if the parties do not proceed.

The document should ideally cover expiry, termination rights, return of confidential information, survival of binding clauses and treatment of costs or deposits. Without this, the parties can end up arguing over whether exclusivity, confidentiality or payment obligations still continue after negotiations stop.

10. Consistency with later documents and prior discussions

A heads of agreement often becomes the reference point for the long-form contract. If the early document is wrong, the mistake can carry through every later draft.

Check it against emails, meeting notes and commercial assumptions. If your understanding is that the deal includes a licence, transition support, equipment replacement, employee transfer arrangements or a landlord contribution, those points should be addressed expressly, not left to memory.

Common Mistakes With Heads of Agreement Letter of Offer Review

The most common mistake is assuming a short document is harmless. It is not harmless if it changes your bargaining position, creates immediate obligations or leaves a major issue unresolved.

Treating the title as the legal answer

Many business owners think “heads of agreement” means non-binding and “contract” means binding. Australian law does not work that neatly. Courts look at substance, not just labels.

A letter of offer can be enforceable. A term sheet can be partly enforceable. A document called a memorandum can still create obligations if the wording and conduct support that result.

Signing before the right entity is confirmed

This sounds basic, but it matters. Founders may negotiate under a trading name, trust structure or proposed company arrangement and then sign without checking who the legal party actually is.

If the wrong entity signs, you can create avoidable problems with liability, performance and later contract drafting. This issue often appears where a business is restructuring, using a trustee company or signing while incorporation details are still being finalised.

Leaving key commercial terms for later

Some flexibility is normal at the heads stage. But if price adjustments, scope, completion mechanics or approval requirements are left too open, each side may walk away with a different understanding.

The main risk is not only litigation. The more immediate problem is wasted negotiation time and reduced leverage when the formal contract is drafted.

Ignoring exclusivity

Exclusivity is often buried in the middle of the document and accepted as a standard ask. That can be a costly error.

If you are the party giving exclusivity, ask whether the other side is actually committing enough in return. If you are prevented from speaking with alternative buyers, landlords, investors or suppliers for weeks or months, the value exchange should be clear.

Relying on verbal side deals

Business owners often say, “We agreed the rest on the phone” or “They told me not to worry, that will be in the final contract.” That is risky.

Before you sign, the document should reflect the major promises you are relying on. If not, it becomes much harder to argue later that the other side committed to them.

Not checking what survives if the deal does not proceed

Even if the transaction never completes, some clauses may continue. Confidentiality, exclusivity, intellectual property restrictions, costs and dispute provisions often survive the end of negotiations.

If the document is silent or confusing on survival, that uncertainty can become its own dispute.

Using templates without matching the deal

Templates are common, especially for startups and smaller businesses moving quickly. The trouble is that a template drafted for an investment round may be unsuitable for a lease offer, acquisition proposal or supply arrangement.

Different transactions need different protections. A generic form often leaves out the very issue that matters most in your deal.

Reviewing too late

Legal review is most useful before commercial positions harden. Once the document is signed, or once you have publicly committed to the deal, your leverage narrows.

The best time to review a heads of agreement or letter of offer is before you sign and before you spend money in reliance on it.

FAQs

Is a heads of agreement legally binding in Australia?

It can be. The answer depends on the wording, the certainty of the terms and whether the parties intended to create legal obligations. Some documents are fully non-binding, some are fully binding and many are partly binding.

What is the difference between a heads of agreement and a letter of offer?

Often the difference is commercial style rather than strict legal effect. A letter of offer may look more one-sided and proposal-based, while a heads of agreement may read more like a negotiated summary. Either can be binding if drafted that way.

Can I sign if it says subject to contract?

Possibly, but do not assume that phrase solves everything. Other clauses may still bind immediately, and inconsistent wording can create uncertainty. The whole document needs to be read together.

Do I need a lawyer to review a heads of agreement or letter of offer?

It is sensible to get legal input where the deal value is meaningful, the structure is complex, or the document includes exclusivity, deposits, confidentiality, restraint or liability provisions. A review can also help if the other side has provided its standard terms and wants a quick signature.

What if the final contract is never signed?

That depends on what the preliminary document says. Some obligations may end automatically, while others, such as confidentiality, costs or exclusivity, may continue. The document should spell out what survives and what falls away.

Key Takeaways

• A heads of agreement or letter of offer can create legal obligations even if it looks informal or preliminary.
• The title of the document matters less than the actual wording, especially around binding effect, subject to contract language and immediate obligations.
• Before you sign, check clarity on core terms, conditions precedent, exclusivity, confidentiality, costs, deposits, termination and survival clauses.
• Do not rely on verbal promises or side emails for major commercial points that should appear in the written document.
• A proper heads of agreement letter of offer review is most valuable before you sign, before you accept the provider's standard terms and before you spend money on setup or due diligence.
• If you are reviewing or negotiating heads of agreement letter of offer review and want help with binding and non-binding terms, exclusivity clauses, confidentiality provisions, and negotiating long-form contract terms, you can reach us on 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.